Doctor profile · Federal record

Dr. Alex Chai, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Los Angeles, CA

  • NPI 1316035819
  • Accepts Medicare
  • MIPS 75.0 / 100 · 2023
  • 51 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1245 Wilshire Blvd, 914
Los Angeles, CA 900174810
(213) 484-8474
fax (213) 484-9054

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1975 — 51 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
California #G31981
Medicaid
CA #00G319810

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316035819. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
3,109
Distinct HCPCS
10
Medicare allowed
$332,529
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 566 171 $98
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 519 85 $83
99214 Established patient office or other outpatient visit, 30-39 minutes 502 233 $139
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 279 39 $52
99204 New patient office or other outpatient visit, 45-59 minutes 276 276 $140
99215 Established patient office or other outpatient visit, 40-54 minutes 193 183 $194
94010 Test to measure expiratory airflow and volume 144 136 $31
20551 Injection into tendon at attachment to bone or muscle 105 60 $63
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 90 17 $118
93000 Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 78 75 $16

In context: peer comparison

Among 262 peers in Los Angeles Internal Medicine Physician, average services per provider: 160. This provider delivers 19× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$785
Transactions
23
Manufacturers
8
Payer (manufacturer) Industry Txns Amount
Inari Medical, INC. 1 $214.13
Pfizer INC. 6 $166.04
Bayer Healthcare Pharmaceuticals INC. 6 $154.82
Abbvie INC. 3 $82.28
Lilly USA, LLC 3 $71.80
Novo Nordisk INC 2 $42.54
Boehringer Ingelheim Pharmaceuticals, INC. 1 $28.38
Janssen Pharmaceuticals, INC 1 $25.25

By nature of payment

Food and Beverage
$785

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,934
Patients
697
Total drug cost
$78,203
Drug Type Claims Patients Total cost
Atorvastatin Calcium Generic 379 95 $6,065
Amlodipine Besylate Generic 373 83 $5,736
Losartan Potassium Generic 278 63 $5,345
Levothyroxine Sodium Generic 250 52 $4,144
Metformin Hcl Generic 223 59 $3,060
Omeprazole Generic 204 47 $3,899
Furosemide Generic 155 38 $990
Metoprolol Succinate Generic 152 35 $3,549
Montelukast Sodium Generic 152 45 $3,074
Clopidogrel (Clopidogrel Bisulfate) Brand 140 27 $1,859

Frequently asked questions

Auto-generated from federal data
What is Dr. Alex Chai's medical specialty?
Dr. Alex Chai practices Internal Medicine Physician in Los Angeles, CA.
Where does Dr. Alex Chai practice?
Dr. Alex Chai practices at 1245 Wilshire Blvd, Los Angeles, CA 900174810. Office phone: 2134848474.
What is Dr. Alex Chai's NPI?
Dr. Alex Chai's National Provider Identifier (NPI) is 1316035819, issued by NPPES.
Does Dr. Alex Chai accept Medicare assignment?
Yes. Dr. Alex Chai accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Alex Chai commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.